<template>
<div>
<!--面包屑导航区-->
  <el-breadcrumb separator="/">
    <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
    <el-breadcrumb-item>商品管理</el-breadcrumb-item>
    <el-breadcrumb-item>商品列表</el-breadcrumb-item>
  </el-breadcrumb>
<!--卡片视图区域-->
  <el-card>
    <el-row :gutter="20">
      <el-col :span="8">
        <el-input
          placeholder="请输入内容"
          v-model="queryInfo.query"
          clearable
        >
          <el-button
            slot="append"
            icon="el-icon-search"
            @click="getGoodsList()"
          ></el-button>
        </el-input>
      </el-col>
      <el-col :span="4">
        <el-button
          type="primary"
          @click="goAddpage"
        >添加商品</el-button>
      </el-col>
    </el-row>

<!--    table表格区域-->
    <el-table
      :data="goodsList"
      border
      stripe
    >
      <el-table-column type="index"></el-table-column>
      <el-table-column label="商品名称"
                       prop="goods_name"
      ></el-table-column>
      <el-table-column label="商品价格（元）"
                       prop="goods_price"
                       width="95px"
      ></el-table-column>
      <el-table-column label="商品重量"
                       prop="goods_weight"
                       width="70px"
      ></el-table-column>
      <el-table-column label="创建时间"
                       prop="add_time"
                       width="140px"
      >
        <template slot-scope="scope">
          {{scope.row.add_time | dateFormat}}
        </template>
      </el-table-column>
      <el-table-column label="操作" width="130px">
        <template slot-scope="scope">
        <el-button type="primary"
                   icon="el-icon-edit"
                   size="mini"
        ></el-button>
        <el-button type="danger"
                   icon="el-icon-delete"
                   size="mini"
                   @click="removeById(scope.row.goods_id)"
        ></el-button>
        </template>
      </el-table-column>
    </el-table>
<!--    分页区域-->
    <el-pagination
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
      :current-page="queryInfo.pagenum"
      :page-sizes="[10, 20, 30, 40]"
      :page-size="queryInfo.pagesize"
      layout="total, sizes, prev, pager, next, jumper"
      :total="total"
      background
    >
    </el-pagination>
  </el-card>
</div>
</template>

<script>
export default {
  data () {
    return {
      // 查询参数对象
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 10
      },
      // 商品列表
      goodsList: [],
      // 总数据条数
      total: 0
    }
  },
  created () {
    this.getGoodsList()
  },
  methods: {
    // 根据分页获取商品列表
    async getGoodsList () {
      const { data: res } = await this.$http.get('goods', { params: this.queryInfo })
      if (res.meta.status !== 200) {
        return this.$message.error('获取商品列表失败')
      }
      console.log(res.data)
      this.goodsList = res.data.goods
      this.total = res.data.total
    },
    handleSizeChange (newsize) {
      this.queryInfo.pagesize = newsize
      this.getGoodsList()
    },
    handleCurrentChange (newpage) {
      this.queryInfo.pagenum = newpage
      this.getGoodsList()
    },
    async removeById (id) {
      const confirmResult = await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(err => err)
      if (confirmResult !== 'confirm') {
        return this.$message.info('已撤销删除')
      }
      const { data: res } = await this.$http.delete(`goods/${id}`)
      if (res.meta.status !== 200) {
        return this.$message.error('删除商品失败')
      }
      this.$message.success('删除商品成功')
      this.getGoodsList()
    },
    goAddpage () {
      this.$router.push('/goods/add')
    }
  }
}
</script>

<style lang="less" scoped>

</style>
